Use __BindegenComplex for C Complex Fix #72

C complex only exists for floating point types.
C Complex are built in types

long double _Complex is not supported.
Long double would be an f128, runing generated binding test produces:
assertion failed: `(left == right)` (left: `16`, right: `32`)',
tests/expectations/tests/complex.rs:72
We test global long double _Complex because it does not require
layout tests.

Handle all the different way a complex can be present in
BindgenContext calling generated_bindegen_complex to indicate
that __BindgenContext will need to be added.

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/headers/whitelist_basic.hpp b/tests/headers/whitelist_basic.hpp
index 661528ba..8424f75a 100644
--- a/tests/headers/whitelist_basic.hpp
+++ b/tests/headers/whitelist_basic.hpp
@@ -12,4 +12,5 @@ class WhitelistMe {
 
 struct DontWhitelistMe {
   void* foo;
+  double _Complex noComplexGenerated;
 };